沈阳市大东区小东卫生院利用旧设备 (电动吸引器)改装成功了一台新型的医疗器具──《真空拔缶医疗器》。这是真空技术在医药界的新应用。此设备不仅可对《气缶》进行抽空;由于该装置备有针阀,而且可以调节气缶内压力的大小,使用极为方便。这样一来,我国千余年处于原始状态的《 Little Dong Hospital of Dadong District, Shenyang City, the use of old equipment (electric suction device) modified successfully a new type of medical equipment ─ ─ “vacuum pull 缶 medical device.” This is a new vacuum technology in the pharmaceutical industry. This device not only can “pneumatically” evacuate; the device is equipped with a needle valve, and can adjust the size of the pressure inside the pneuma, extremely easy to use. As a result, our country more than a thousand years in the original state of "